Here's what rhymes with finitesimally.
infinitesimally Words that almost rhyme with finitesimally
technically charitably majestically pathetically metrically sceptically veritably indelicately ineligibly theoretically electrically intelligently hermetically magnetically skeptically aseptically apathetically reticently inextricably diametrically residency sympathetically effeminacy hesitancy hesitantly negligently parenthetically eccentrically effeminately unsympathetically antiseptically ecumenically geocentrically concentrically sacrilegiously egocentrically photoelectrically hydroelectrically electromagnetically